feat(commons): batched WriteValues on the address-space sink

src/Core/ZB.MOM.WW.OtOpcUa.Commons/OpcUa/DeferredAddressSpaceSink.cs

@@ -26,6 +26,12 @@ public sealed class DeferredAddressSpaceSink : IOpcUaAddressSpaceSink, ISurgical
     public void WriteValue(string nodeId, object? value, uint statusCode, DateTime sourceTimestampUtc, AddressSpaceRealm realm)
         => _inner.WriteValue(nodeId, value, statusCode, sourceTimestampUtc, realm);
 
+    /// <inheritdoc />
+    // Forward the batch to the inner sink. Without this the interface's default per-item loop runs here and
+    // the one-lock-per-batch win is silently degraded back to one lock per value on every driver-role host
+    // (actors inject THIS wrapper, not the inner SdkAddressSpaceSink) — same trap as WireAlarmNotifiers above.
+    public void WriteValues(IReadOnlyList<ValueWrite> values) => _inner.WriteValues(values);
+
     /// <inheritdoc />
     public void WriteAlarmCondition(string alarmNodeId, AlarmConditionSnapshot state, DateTime sourceTimestampUtc, AddressSpaceRealm realm)
         => _inner.WriteAlarmCondition(alarmNodeId, state, sourceTimestampUtc, realm);